| FASTENER LENGTH | 1.411 INCHES MINIMUM AND 1.431 INCHES MAXIMUM |
| GRIP LENGTH | 0.939 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI8740 ASSN STD SINGLE MATERIAL RESPONSE OR AISI4340 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4340 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SHANK DIAMETER | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | MECHANICAL LOCK FEATURE ON THREADS,HOLE THROUGH THREADED PORTION OF SHANK WITH DIA OF 0.076 IN. MIN AND 0.086 IN. MAX AND 0.230 IN. FROM END |
| WIDTH BETWEEN FLATS | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | NICKEL AND CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |